Gilroy September 21 Weather Records

Daily averages and all-time records for weather in Gilroy, California for the date of September 21.
September 21 All-Time Records
1906–2023
Highest temperature 101 °F 2021
Lowest temperature 41 °F 1965
Lowest daily high 70 °F 2017
Highest daily low 65 °F 1983
Most precipitation 0.02 inches 2013
Most snow none -
September 21 Average Weather
1991–2020 1
Average high 84.7 °F
Average low 53.2 °F
Chance precipitation 2.6%
Chance snow 0%
Gilroy September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 79 56 0.00 n/a
2021 101 58 0.00 n/a
2020 86 54 0.00 n/a
2019 n/a n/a n/a n/a
2018 n/a n/a n/a n/a
2017 70 50 0.00 n/a
2016 95 56 0.00 n/a
2015 101 50 0.00 n/a
2014 85 62 0.00 n/a
2013 81 60 0.02 n/a
2012 82 52 0.00 n/a
2011 99 56 0.00 n/a
2010 78 50 0.00 0.0
2009 86 n/a 0.00 0.0
2008 n/a n/a 0.00 0.0
2007 73 49 0.00 0.0
2006 83 51 0.00 0.0
2005 70 55 0.00 0.0
2004 75 47 0.00 0.0
2003 98 58 0.00 0.0
2002 97 54 0.00 0.0
2001 n/a n/a n/a n/a
2000 85 62 0.00 0.0
1999 85 52 0.00 0.0
1998 81 59 0.00 0.0
1997 92 52 0.00 0.0
1996 96 52 0.00 0.0
1995 85 54 0.00 0.0
1994 83 53 0.00 0.0
1993 78 47 0.00 0.0
1992 89 50 0.00 0.0
1991 83 51 0.00 0.0
1990 95 55 0.00 0.0
1989 83 53 0.00 0.0
1988 76 52 0.00 0.0
1987 93 53 0.00 0.0
1986 75 46 0.00 0.0
1985 85 48 0.00 0.0
1984 81 58 0.00 0.0
1983 95 65 0.00 0.0
1982 83 48 0.00 0.0
1981 91 49 0.00 0.0
1980 81 47 0.00 0.0
1979 94 51 0.00 0.0
1978 88 46 0.00 0.0
1977 81 51 0.00 0.0
1976 82 54 0.00 0.0
1975 86 51 0.00 0.0
1974 89 51 0.00 0.0
1973 79 49 0.00 0.0
1972 90 43 0.00 0.0
1971 83 53 0.00 0.0
1970 78 47 0.00 0.0
1969 79 52 0.00 0.0
1968 75 42 0.00 0.0
1967 100 57 0.00 0.0
1966 81 50 0.00 0.0
1965 83 41 0.00 0.0
1964 92 47 0.00 0.0
1963 81 50 0.00 0.0
1962 80 45 0.00 0.0
1961 74 52 0.00 0.0
1960 87 46 0.00 0.0
1959 74 48 0.00 0.0
1958 98 50 0.00 0.0
1957 89 41 0.00 0.0
1956 n/a n/a n/a n/a
1955 n/a n/a n/a n/a
1954 n/a n/a n/a n/a
1953 n/a n/a n/a n/a
1952 n/a n/a n/a n/a
1951 n/a n/a n/a n/a
1950 n/a n/a n/a n/a
1949 n/a n/a n/a n/a
1948 n/a n/a n/a n/a
1947 n/a n/a n/a n/a
1946 n/a n/a n/a n/a
1945 n/a n/a n/a n/a
1944 n/a n/a n/a n/a
1943 n/a n/a n/a n/a
1942 n/a n/a n/a n/a
1941 n/a n/a n/a n/a
1940 n/a n/a n/a n/a
1939 n/a n/a n/a n/a
1938 n/a n/a n/a n/a
1937 n/a n/a n/a n/a
1936 n/a n/a n/a n/a
1935 n/a n/a n/a n/a
1934 n/a n/a n/a n/a
1933 n/a n/a n/a n/a
1932 n/a n/a n/a n/a
1931 n/a n/a n/a n/a
1930 n/a n/a n/a n/a
1929 n/a n/a n/a n/a
1928 n/a n/a n/a n/a
1927 n/a n/a n/a n/a
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 n/a n/a n/a n/a
1923 n/a n/a n/a n/a
1922 n/a n/a n/a n/a
1921 n/a n/a n/a n/a
1920 n/a n/a n/a n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 n/a n/a n/a n/a
1913 n/a n/a n/a n/a
1912 n/a n/a n/a n/a
1911 n/a n/a 0.00 n/a
1910 n/a n/a n/a n/a
1909 n/a n/a 0.00 n/a
1908 n/a n/a 0.00 n/a
1907 n/a n/a 0.00 n/a
1906 n/a n/a n/a n/a
What's the all-time high for Gilroy on 9/21?
For the date of Sep 21, the highest temperature ever reached in Gilroy history is 101 °F which has happened 2 times, most recently in 2021.
Highest Temperatures in Gilroy on September 21
Rank Temperature Year
1 101 °F 2015
1 101 °F 2021
3 100 °F 1967
4 99 °F 2011
5 98 °F 2003
5 98 °F 1958
7 97 °F 2002
8 96 °F 1996
9 95 °F 2016
9 95 °F 1990
9 95 °F 1983
What's the all-time low for Gilroy on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Gilroy history is 41 °F which has happened 2 times, most recently in 1965.
Lowest Temperatures in Gilroy on September 21
Rank Temperature Year
1 41 °F 1965
1 41 °F 1957
3 42 °F 1968
4 43 °F 1972
5 45 °F 1962
6 46 °F 1986
6 46 °F 1978
6 46 °F 1960
9 47 °F 2004
9 47 °F 1964
9 47 °F 1980
9 47 °F 1970
9 47 °F 1993
Lowest High Temperatures in Gilroy on September 21
Rank Temperature Year
1 70 °F 2005
1 70 °F 2017
3 73 °F 2007
4 74 °F 1959
4 74 °F 1961
6 75 °F 1968
6 75 °F 2004
6 75 °F 1986
9 76 °F 1988
10 78 °F 2010
10 78 °F 1970
10 78 °F 1993
What's the most it has ever rained in Gilroy on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Gilroy history is 0.02 inches which happened in 2013.
All-Time Most Precipitation in Gilroy on September 21
Rank Precipitation Year
1 0.02 inches 2013
Weather Station Details
Years Station Coordinates
1906–2023 Gilroy location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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